From fa44b312802b771a26be5df7c5bed484e2b91810 Mon Sep 17 00:00:00 2001
From: Ben Balter <ben.balter@github.com>
Date: Fri, 7 Apr 2017 17:06:03 -0400
Subject: [PATCH] add spec for filters class

---
 lib/jekyll-seo-tag/drop.rb          |  6 ++++--
 spec/jekyll_seo_tag/filters_spec.rb | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 spec/jekyll_seo_tag/filters_spec.rb

diff --git a/lib/jekyll-seo-tag/drop.rb b/lib/jekyll-seo-tag/drop.rb
index a2f7714..34cec8d 100644
--- a/lib/jekyll-seo-tag/drop.rb
+++ b/lib/jekyll-seo-tag/drop.rb
@@ -2,6 +2,9 @@ module Jekyll
   class SeoTag
     class Drop < Jekyll::Drops::Drop
       TITLE_SEPARATOR = " | ".freeze
+      FORMAT_STRING_METHODS = %i[
+        markdownify strip_html normalize_whitespace escape_once
+      ].freeze
 
       def initialize(text, context)
         @obj = {}
@@ -190,8 +193,7 @@ module Jekyll
       end
 
       def format_string(string)
-        methods = %i[markdownify strip_html normalize_whitespace escape_once]
-        methods.each do |method|
+        FORMAT_STRING_METHODS.each do |method|
           string = filters.public_send(method, string)
         end
 
diff --git a/spec/jekyll_seo_tag/filters_spec.rb b/spec/jekyll_seo_tag/filters_spec.rb
new file mode 100644
index 0000000..c44d5cb
--- /dev/null
+++ b/spec/jekyll_seo_tag/filters_spec.rb
@@ -0,0 +1,18 @@
+RSpec.describe Jekyll::SeoTag::Filters do
+  let(:page)      { make_page }
+  let(:site)      { make_site }
+  let(:context)   { make_context(:page => page, :site => site) }
+  subject { described_class.new(context) }
+
+  it "stores the context" do
+    expect(subject.instance_variable_get("@context")).to be_a(Liquid::Context)
+  end
+
+  it "exposes jekyll filters" do
+    expect(subject).to respond_to(:markdownify)
+  end
+
+  it "exposes liquid standard filters" do
+    expect(subject).to respond_to(:normalize_whitespace)
+  end
+end